22 lines
719 B
Python
22 lines
719 B
Python
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with open("/home/prathiyuman/Prathiyuman/ContecMonitor/fiveparaminte-main/scratch/raw_contec_stream.bin", "rb") as f:
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stream = f.read()
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packets = []
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i = 0
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while i < len(stream) - 4:
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b0, b1, b2, b3 = stream[i], stream[i+1], stream[i+2], stream[i+3]
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if b3 == 0x46:
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pkt_len = b0 | (b1 << 8)
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if pkt_len == 288 and i + pkt_len <= len(stream):
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packets.append(stream[i:i + pkt_len])
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i += max(pkt_len, 4)
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else:
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i += 1
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if packets:
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pkt = packets[-1]
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print("Last 40 bytes of 288-byte packet:")
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for off in range(248, 288, 2):
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val = pkt[off] | (pkt[off+1] << 8)
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print(f" Offset {off}: hex={pkt[off]:02x} {pkt[off+1]:02x} -> u16 LE = {val}")
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